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Unit Plan
Sophia Learning

Sophia: Dividing Rational Numbers

For Students 9th - 10th
Determine how to divide rational numbers using the multiplicative inverse. Assess learning with a quiz.
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Unit Plan
Sophia Learning

Sophia: Dividing Rational Numbers

For Students 6th - 8th
Explore the term reciprocal (multiplicative inverse) when dividing rational numbers and take a quiz to assess learning.
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Activity
Shodor Education Foundation

Shodor Interactivate: Identity Properties

For Students 3rd - 8th
The resource consists of a discussion between a mentor and two students about how to use additive and multiplicative identity and inverse properties. Examples and explanations of each are included.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 4.oa Comparing Money Raised

For Students 4th
The purpose of this task is for students to solve three comparisons problems that are related by their context but are structurally different. Multiplicative comparison is purposefully excluded from third grade (see 3.OA.3 and 3.MD.2),...
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Handout
University of Georgia

University of Georgia: Inter Math: Multiplicative Inverse

For Students 9th - 10th
This site gives a description of a multiplicative inverse, along with examples. There are links to related terms, everyday examples, challenging problems, more information, and the interactive check point involving multiplicative inverse...
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Activity
Purple Math

Purplemath: Basic Number Properties: Associative, Commutative, and Distributive

For Students 9th - 10th Standards
This Purplemath lesson includes many different number properties explained by using examples.
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Unit Plan
Goodwill

Gcf Global: Reciprocals and Inverse Numbers

For Students 9th - 10th
Read this tutorial to learn about reciprocal and inverse numbers and how they work.
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Handout
Math Open Reference

Math Open Reference: Reciprocal

For Students 5th - 8th Standards
Learn about reciprocals with this site which offers detailed explanations and multiple examples. Topics covered include how to find a reciprocal of a fraction, number, or decimal.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Inverse Matrices

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers finding the inverse of a 2 x 2 matrix. Students can look at guided notes and then attempt practice problems.
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Handout
Quia

Ixl Learning: Reciprocals

For Students 5th - 6th Standards
Brush up on your math skills relating to reciprocals then try some practice problems to test your understanding.
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Graphic
Cool Math

Coolmath: Properties the Multiplicative Inverse Property

For Students 9th - 10th
This Coolmath resource will help students learn about the multiplication inverse property.
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Handout
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Multiplicative Inverse/reciprocal

For Students 5th - 8th
Find a quick, concise explanation of multiplicative inverse or reciprocal. Examples are given and clearly explained.
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Handout
Help Algebra

Help algebra.com: Properties of Real Numbers

For Students 9th - 10th
Both additive and multiplicative properties of real numbers are presented on this page. An example demonstrates the distributive property.